CVE-2026-63260

published 2026-07-21

CVE-2026-63260: Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated attacker with…

Priority P3 35 medium 6.5 CVSS 3.1

AV N AC L PR L UI N S U C N I N A H

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated attacker with low-privilege access can trigger a denial of service condition in Kibana by sending a specially crafted, oversized request payload. Processing this user-supplied input requires resource-intensive memory allocation that can exhaust the available heap memory in the Kibana process, causing it to crash and become unavailable to all users.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
elastic	kibana	>= 8.0.0 < 8.19.19	8.19.19
elastic	kibana	8.0.0 – 8.19.18	—
elastic	kibana	>= 9.0.0 < 9.3.8	9.3.8
elastic	kibana	9.0.0 – 9.3.7	—
elastic	kibana	>= 9.4.0 < 9.4.4	9.4.4
elastic	kibana	9.4.0 – 9.4.3	—

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CWE-400